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Silkcotton Purslane

Portulaca halimoides

Last reviewed: June 2026

Silkcotton Purslane (Portulaca halimoides)
Photo: Stan Shebs / Wikimedia Commons (CC BY-SA 3.0)

Light

full sun

Water

low

Size

2"–12" H × 4"–16" W

Bloom

Jun, Jul, Aug, Sep

Native to

AZ, CA, CO, NM and 4 more states

Pollinators

bees, beetles

Silkcotton purslane is a low-growing succulent that forms dense mats with small, fleshy leaves and tiny flowers. This drought-tolerant annual blooms from June through September. Its compact size makes it suitable for ground cover or rock garden applications.

In an HOA neighborhood

Silkcotton Purslane takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Mat-forming growth can appear uncontrolled
  • Annual nature means gaps and bare spots
  • Small flowers and informal appearance may look weedy

Wildlife value

The small flowers attract bees and beetles during the summer blooming period. As a native succulent, it provides habitat for small desert-adapted insects.

Common questions

How much sun does Silkcotton Purslane need?
Silkcotton Purslane grows best in full sun conditions.
When does Silkcotton Purslane bloom?
Silkcotton Purslane blooms in June, July, August, and September.
Where is Silkcotton Purslane native?
Silkcotton Purslane (Portulaca halimoides) is native to AZ, CA, CO, NM and 4 more states, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does Silkcotton Purslane attract?
Silkcotton Purslane draws bees and beetles.
Is Silkcotton Purslane HOA-friendly?
Silkcotton Purslane takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Silkcotton Purslane? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz